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Replacement Filter Pack for Vertex Pure Water Machine PT-4.0/5 Reverse Osmosis Systems - FK101
Free standard shipping on most products over $199.
Vertex Water Products is a family owned company since 1998.
US Water Systems offers quality USA manufactured compatible filters at a cost savings that will meet or exceed Vertex Water Products specifications.
All Filters are Made in the USA
Membrane Sold Separately
It is recommended that filters be changed at 6 or 12 month intervals, depending upon water quality.